Index: lib/sanitizer_common/sanitizer_platform_interceptors.h
===================================================================
--- lib/sanitizer_common/sanitizer_platform_interceptors.h
+++ lib/sanitizer_common/sanitizer_platform_interceptors.h
@@ -151,7 +151,8 @@
 #define SANITIZER_INTERCEPT_SIGWAIT SI_NOT_WINDOWS
 #define SANITIZER_INTERCEPT_SIGWAITINFO SI_LINUX_NOT_ANDROID
 #define SANITIZER_INTERCEPT_SIGTIMEDWAIT SI_LINUX_NOT_ANDROID
-#define SANITIZER_INTERCEPT_SIGSETOPS SI_MAC || SI_LINUX_NOT_ANDROID
+#define SANITIZER_INTERCEPT_SIGSETOPS \
+  SI_FREEBSD || SI_MAC || SI_LINUX_NOT_ANDROID
 #define SANITIZER_INTERCEPT_SIGPENDING SI_NOT_WINDOWS
 #define SANITIZER_INTERCEPT_SIGPROCMASK SI_NOT_WINDOWS
 #define SANITIZER_INTERCEPT_BACKTRACE SI_LINUX_NOT_ANDROID